Dev Builds » 20210827-1941

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:15:10 1962176 3341 2859 6 476 +441.42 +/- 15.62
ncm-et-4 08:15:05 1964795 3333 2860 3 470 +445.63 +/- 15.71
ncm-et-9 08:14:47 1961777 3349 2850 12 487 +433.22 +/- 15.45
ncm-et-10 08:15:19 1956309 3295 2827 5 463 +444.67 +/- 15.83
ncm-et-13 08:15:05 1960824 3333 2818 8 507 +427.95 +/- 15.13
ncm-et-15 08:15:08 1958676 3349 2886 4 459 +450.1 +/- 15.9
20000 17100 38 2862 +440.35 +/- 6.36

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
151196 ncm-et-10 2021-08-28 04:24 00:44:29 1959861 295 263 0 32 +496.58 +/- 62.26
151195 ncm-et-13 2021-08-28 04:18 00:49:42 1961852 333 285 0 48 +443.89 +/- 50.08
151194 ncm-et-4 2021-08-28 04:17 00:50:55 1955111 333 292 0 41 +473.23 +/- 54.5
151193 ncm-et-3 2021-08-28 04:17 00:51:34 1958032 341 294 1 46 +448.34 +/- 51.35
151192 ncm-et-9 2021-08-28 04:17 00:51:16 1959264 349 308 2 39 +473.11 +/- 56.05
151191 ncm-et-15 2021-08-28 04:15 00:52:48 1958362 349 308 0 41 +481.9 +/- 54.52
151190 ncm-et-10 2021-08-28 03:07 01:15:47 1951921 500 422 0 78 +429.05 +/- 38.92
151189 ncm-et-13 2021-08-28 03:04 01:13:59 1961382 500 421 1 78 +424.28 +/- 38.99
151188 ncm-et-4 2021-08-28 03:03 01:13:42 1977180 500 421 1 78 +424.28 +/- 38.99
151187 ncm-et-9 2021-08-28 03:02 01:14:17 1956499 500 422 0 78 +429.05 +/- 38.92
151186 ncm-et-15 2021-08-28 03:00 01:15:00 1956942 500 432 0 68 +454.76 +/- 41.82
151185 ncm-et-3 2021-08-28 03:00 01:16:40 1951005 500 430 2 68 +444.09 +/- 41.92
151184 ncm-et-10 2021-08-28 01:52 01:14:42 1956796 500 434 1 65 +457.52 +/- 42.89
151183 ncm-et-13 2021-08-28 01:49 01:14:32 1960005 500 417 1 82 +415.05 +/- 37.98
151182 ncm-et-4 2021-08-28 01:48 01:13:56 1964612 500 427 1 72 +438.95 +/- 40.66
151181 ncm-et-9 2021-08-28 01:47 01:14:00 1959088 500 421 3 76 +419.61 +/- 39.58
151180 ncm-et-15 2021-08-28 01:47 01:12:13 1964789 500 424 1 75 +431.48 +/- 39.8
151179 ncm-et-3 2021-08-28 01:45 01:14:18 1967239 500 432 0 68 +454.76 +/- 41.82
151178 ncm-et-10 2021-08-28 00:36 01:15:40 1956947 500 426 0 74 +438.95 +/- 40.01
151177 ncm-et-13 2021-08-28 00:34 01:14:19 1959868 500 422 2 76 +424.28 +/- 39.56
151176 ncm-et-9 2021-08-28 00:34 01:13:07 1963839 500 421 0 79 +426.65 +/- 38.66
151175 ncm-et-15 2021-08-28 00:33 01:13:22 1959549 500 440 0 60 +477.98 +/- 44.67
151174 ncm-et-4 2021-08-28 00:32 01:15:10 1961543 500 432 0 68 +454.76 +/- 41.82
151173 ncm-et-3 2021-08-28 00:31 01:13:12 1967880 500 424 0 76 +433.94 +/- 39.45
151172 ncm-et-10 2021-08-27 23:20 01:15:22 1958316 500 424 2 74 +429.05 +/- 40.11
151171 ncm-et-4 2021-08-27 23:19 01:12:23 1969706 500 420 0 80 +424.27 +/- 38.4
151170 ncm-et-13 2021-08-27 23:19 01:14:26 1962306 500 424 4 72 +424.28 +/- 40.69
151169 ncm-et-9 2021-08-27 23:18 01:14:36 1963591 500 427 3 70 +433.94 +/- 41.3
151168 ncm-et-15 2021-08-27 23:17 01:14:53 1952294 500 435 1 64 +460.32 +/- 43.24
151167 ncm-et-3 2021-08-27 23:16 01:13:59 1961997 500 421 1 78 +424.28 +/- 38.99
151166 ncm-et-4 2021-08-27 22:05 01:13:49 1960032 500 435 0 65 +463.15 +/- 42.83
151165 ncm-et-10 2021-08-27 22:05 01:14:36 1948021 500 429 0 71 +446.7 +/- 40.89
151164 ncm-et-9 2021-08-27 22:04 01:13:25 1963236 500 423 2 75 +426.65 +/- 39.83
151163 ncm-et-13 2021-08-27 22:04 01:14:13 1955281 500 409 0 91 +399.81 +/- 35.89
151162 ncm-et-15 2021-08-27 22:03 01:14:07 1955568 500 424 1 75 +431.48 +/- 39.8
151161 ncm-et-3 2021-08-27 22:02 01:13:11 1967231 500 422 0 78 +429.05 +/- 38.92
151160 ncm-et-3 2021-08-27 20:50 01:12:16 1961853 500 436 2 62 +460.32 +/- 43.99
151159 ncm-et-9 2021-08-27 20:50 01:14:06 1966922 500 428 2 70 +438.95 +/- 41.29
151158 ncm-et-13 2021-08-27 20:49 01:13:54 1965080 500 440 0 60 +477.98 +/- 44.67
151157 ncm-et-10 2021-08-27 20:49 01:14:43 1962303 500 429 2 69 +441.5 +/- 41.61
151156 ncm-et-15 2021-08-27 20:49 01:12:45 1963230 500 423 1 76 +429.05 +/- 39.52
151155 ncm-et-4 2021-08-27 20:49 01:15:10 1965381 500 433 1 66 +454.76 +/- 42.55

Commit

Commit ID ad357e147a1b8481a04761d726ce1db14115a68f
Author VoyagerOne
Date 2021-08-27 19:41:32 UTC
CMH Pruning Tweak Tweak pruning formula by adding up CMH values. STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 14608 W: 3837 L: 3641 D: 7130 Ptnml(0-2): 27, 1681, 3723, 1815, 58 https://tests.stockfishchess.org/tests/view/612792f362d20cf82b5ad156 LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 53520 W: 13580 L: 13276 D: 26664 Ptnml(0-2): 28, 5610, 15183, 5908, 31 https://tests.stockfishchess.org/tests/view/6127d27062d20cf82b5ad191 closes https://github.com/official-stockfish/Stockfish/pull/3682 Bench: 5186641
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